300 Health
The item id for Frost Wood Sign in unturned is 36498. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Useable: Barricade
Has_Clip_Prefab: false
Build: Sign
Size_X: 2
Size_Y: 2
Health: 300
Range: 4
Radius: 0.5
Offset: 1.25
Explosion: 29
Blueprints: 1
Blueprint_0_Type: Furniture
Blueprint_0_Supplies: 1
Blueprint_0_Supply_0_ID: 36016
Blueprint_0_Supply_0_Amount: 4
Blueprint_0_Build: 27
Should_Close_When_Outside_Range: true
PlacementAudioClip: core.masterbundle:Sounds/WoodenPlacement.mp3